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Home/Compounds/Pharmaceutical Intermediate/Boc-L-glutamic acid 5-methyl ester
C11H19NO6
261.27 g/mol
Pharmaceutical IntermediateWarning

(S)-2-((tert-Butoxycarbonyl)amino)-5-methoxy-5-oxopentanoic acid

CAS45214-91-3EC863-129-9
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a protected amino acid derivative used as an intermediate in peptide synthesis. Its structure features a tert-butyloxycarbonyl (Boc) protecting group on the amine and a methyl ester on the side chain carboxyl, making it suitable for selective peptide chain assembly.

Protected amino acid for peptide synthesisPharmaceutical intermediate

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

SimilarStructure SimilarSimilarity 0.85

Boc-L-glutamic acid 5-tert-butyl ester

CAS13726-84-6

pharmaceutical intermediate

SimilarStructure SimilarSimilarity 0.77

(R)-N-Boc-glutamic acid-1,5-dimethyl ester

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SimilarStructure SimilarSimilarity 0.77

(S)-1-tert-Butyl 5-methyl 2-((tert-butoxycarbonyl)amino)pentanedioate

CAS24277-38-1

research compound

SimilarStructure SimilarSimilarity 0.72

Boc-L-Glutamine

CAS13726-85-7

pharmaceutical intermediate

ReferenceSame Category

(5R)-5-(2,2-Dimethyl-4H-1,3-benzodioxin-6-yl)-1,3-oxazolidin-2-one

CAS452339-73-0

pharmaceutical intermediate

ReferenceSame Category

4-Fluoro-3-nitrobenzoic acid

CAS453-71-4

pharmaceutical intermediate

ReferenceSame Category

Boc-Glycine

CAS4530-20-5

pharmaceutical intermediate

ReferenceSame Category

1,2,3,4-Butanetetracarboxylic 1,2:3,4-dianhydride

CAS4534-73-0

pharmaceutical intermediate

Related Reading

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2026 has been a concentrated year for peptide therapeutics. Efficacy reached a new high in late-stage trials, the obesity field moved beyond the incretins to amylin, the oral route reached weight management, and peptide-guided radioligand therapy kept advancing — each point tied to a specific 2025–2026 result.

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Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Identifiers
IUPAC Name

(2S)-5-methoxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]-5-oxopentanoic acid

InChIKey

OHYMUFVCRVPMEY-ZETCQYMHSA-N

SMILES

CC(C)(C)OC(=O)N[C@@H](CCC(=O)OC)C(=O)O

Synonyms (14)
  • BOC-GLU(OME)-OH

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